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Finding the Fourth Proportional to 1,594,260,018.30, 2,391,390,027.45 and 978,848,715.90

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Solution

The fourth proportional to 1,594,260,018.30, 2,391,390,027.45 and 978,848,715.90 is: 1,468,273,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,260,018.30 : 2,391,390,027.45 = 978,848,715.90 : x
  2. Step 2: Convert to fraction form
    1,594,260,018.30/2,391,390,027.45 = 978,848,715.90/x
  3. Step 3: Cross multiply
    1,594,260,018.30x = 2,391,390,027.45 × 978,848,715.90
  4. Step 4: Simplify right side
    1,594,260,018.30x = 2,340,809,057,585,498,112
  5. Step 5: Solve for x
    x = 2,340,809,057,585,498,112/1,594,260,018.30
  6. Step 6: Final answer
    x = 1,468,273,073.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.